212 DISEASES OF THE SWEET PEA 



sweet pea mildew. The following strength 

 is recommended : 



Potassium sulphide 40Z, 



Water 10 gallons 



(d) Sulphur. Flowers of sulphur are 

 often used in greenhouses to control the 

 sweet pea mildew. It may be applied 

 either by hand or with a duster. 



There are a number of other fungicides 

 on the market which are not mentioned. 

 They should be thoroughly tested before 

 they are used. Considerable discretion 

 should be exercised before using a new 

 fungicide which claims to be a "cure all." 



Combination Sprays. In the discus- 

 sion of the foregoing chapters on fungous 

 and insect pests, it is seen that the sweet 

 pea is subject to the attacks of more than 

 one disease. Spraying, if properly done, 

 is effective in controlling or in keeping in 



